The spacecraft embarked upon the first of its final five orbits around the gas giant earlier today.
Astronomers believe that they may have found, for the first time, a moon orbiting an extrasolar planet.
In a world-first, China has succeeded in using quantum entanglement to send data to a satellite.
For the first time ever, scientists have observed two supermassive black holes orbiting one another.
A French scientist is working on a novel new way to keep Earth's orbit clear of defunct satellites.
NASA's Mars Reconnaissance Orbiter has discovered a rather unusual feature on the planet's surface.
A crew of astronauts will spend a year in orbit around the Moon as a trial run for a mission to Mars.
The US Air Force's mysterious space plane has landed in Florida after spending nearly two years in orbit.
Scientists at NASA have been drawing up plans for the demolition of the International Space Station.
The private space firm succeeded in sending a top secret US military satellite in to orbit this morning.
NASA's long-lived Cassini spacecraft will soon begin its first in a series of final orbits around Saturn.
The bizarre plan would see the world's tallest building being hung upside-down from an orbiting asteroid.
NASA partner Lockheed Martin is planning an ambitious mission to put astronauts into orbit around Mars.
The US Air Force's mysterious space plane is on track to break the mission duration record of 674 days.
A new radar technique has made it possible to locate a derelict spacecraft in orbit around the Moon.
A space station could be placed in cis-lunar orbit to act as a stepping-stone towards a trip to Mars.
A new joint mission will see astronauts orbiting the Moon for the first time in over four decades.
The experimental tether had been designed to help solve the problem of space junk in Earth's orbit.
NASA has recently published a stunning new photograph taken by the Mars Reconnaissance Orbiter.
Glenn became a national hero back in 1962 when he became the first American ever to orbit the Earth.